Onda recently released a new firmware for the new Quad Core tablets.
They have improved camera capabilities of shooting 1080p movies as well as improved the system performance. Download links are as below:
http://file2.mydrivers.com/ondata/download/driver/oamp3/V972Core4/V972Core4_v1.2.rar
http://file2.mydrivers.com/ondata/download/driver/oamp3/V812Core4/V812Core4_v1.2.rar